/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Web;
using System.Web.Caching;

namespace Composite.Community.OpenID
{
    public static class Cache
    {
        public static void Add<T>(string key, T o)
        {
            HttpContext.Current.Cache.Insert(
                key,
                o,
                null,
                DateTime.Now.AddMinutes(1440),
                System.Web.Caching.Cache.NoSlidingExpiration);
        }

        public static void Add<T>(string key, T o, string d)
        {
            HttpContext.Current.Cache.Insert(
                key,
                o,
                new CacheDependency(d),
                DateTime.Now.AddMinutes(1440),
                System.Web.Caching.Cache.NoSlidingExpiration);
        }

        public static void Clear(string key)
        {
            HttpRuntime.Cache.Remove(key);
        }

        public static bool Exists(string key)
        {
            return HttpRuntime.Cache[key] != null;
        }

        public static bool Get<T>(string key, out T value)
        {
            try
            {
                if (Exists(key))
                {
                    value = (T) HttpRuntime.Cache[key];
                    return true;
                }
                else
                {
                    value = default(T);
                    return false;
                }
            }
            catch
            {
                value = default(T);
                return false;
            }
        }
    }
}